Corona virus

Question 1

Largest nonsegmented rna virus

Answer 1

Coronaviridae

Question 2

Tubular nucleoplaamid dough nut ahaped

Answer 2

Torovirus

Question 3

Diseases of coron virus

Answer 3

Transmissivble gastroenteritis

Infectious bronchitis

Question 4

Pathogenesis of transmissible gastroenteritis

Answer 4

Virus ingestion

Affecta enterocytes
Shortening of blunting of villi

Enterocyte destruction malabsorption malnutrition

Acidosis dehydration

Question 5

Lab diagnosis of tge

Answer 5

Isolation in cell culture thymua testes cell culture

Cpe
Cell rounding synctitia formation

Question 6

Serotype of avian corona virus

Answer 6

Massachusset

Connecticut

Question 7

Virus cultivation of avian corona virus

Answer 7

Allantoic rout

Dwarfing and curling of embryo

Question 8

Pathogensesis of ib

Answer 8

Replicate in resp tract

Viremia which spreads virus to many organs
Extensive damage to kidney ovary

Question 9

Clinical signs of ib

Answer 9

Resp signs coughing gasping sneezing
Nasal exudate
Wet eye

Egg laying chicks

Calcified shellals

Question 10

Lesions

Answer 10

Thickened nasal passsage
Serous or catarrhal exudate in nasal passage

Caseous yellow cast